<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <script>
    let name = prompt('请输入你的姓名')
    let gender = prompt('请输入你的性别')
    let age = prompt('请输入你的年龄')
    console.log(`你叫${name},是个${gender}生，今年${age}岁了`);
    let age5 = parseInt(age) + 5
    console.log(`你今年应该${age5}岁了`);


  </script>
</body>

</html>